webpack.config.js

const { resolve } = require('path');

const webpack = require('webpack');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const OpenBrowserPlugin = require('open-browser-webpack-plugin');
// const PrettierPlugin = require("prettier-webpack-plugin");

const config = {
  devtool: 'cheap-module-eval-source-map',

  entry: [
		'babel-polyfill',
    'react-hot-loader/patch',
    'webpack-dev-server/client?http://localhost:8080',
    'webpack/hot/only-dev-server',
    './main.js',
    './assets/scss/main.scss',
  ],

  output: {
    filename: 'bundle.js',
    path: resolve(__dirname, 'dist'),
    publicPath: '',
  },

  context: resolve(__dirname, 'app'),

  devServer: {
    hot: true,
    contentBase: resolve(__dirname, 'build'),
    publicPath: '/'
  },

  module: {
    rules: [
      {
        enforce: "pre",
        test: /\.js$/,
        exclude: /node_modules/,
        loader: "eslint-loader"
      },
      {
        test: /\.js$/,
        loaders: [
          'babel-loader',
        ],
        exclude: /node_modules/,
      },
      {
        test: /\.scss$/,
        exclude: /node_modules/,
        use: ExtractTextPlugin.extract({
          fallback: 'style-loader',
          use: [
            {
              loader: "css-loader",
              options: {
                  sourceMap: true,
                  modules: true,
                  importLoaders: 2,
                  localIdentName: "[name]__[local]___[hash:base64:5]"
              }
            },
            {
              loader: 'sass-loader',
              query: {
                sourceMap: false,
              },
            },
          ],
          publicPath: '../'
        }),
      },
      {
        test: /\.css$/,
        use: [ 'style-loader', 'css-loader' ]
      },
			{
				test: /\.svg(\?v=\d+\.\d+\.\d+)?$/,
				use: [
					{
						loader: 'raw-loader'
					}
				]
			},
/*
			{
			  test: /\.svg$/,
			  loader: 'babel-loader!svg-react-loader'
			},
*/
      { test: /\.(png|jpg|gif)$/, use: 'url-loader?limit=15000&name=images/[name].[ext]' },
      { test: /\.eot(\?v=\d+.\d+.\d+)?$/, use: 'file-loader?&name=fonts/[name].[ext]' },
      { test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/, use: 'url-loader?limit=10000&mimetype=application/font-woff&name=fonts/[name].[ext]' },
      { test: /\.[ot]tf(\?v=\d+.\d+.\d+)?$/, use: 'url-loader?limit=10000&mimetype=application/octet-stream&name=fonts/[name].[ext]' },
      // { test: /\.svg(\?v=\d+\.\d+\.\d+)?$/, use: 'url-loader?limit=10000&mimetype=image/svg+xml&name=images/[name].[ext]' },
    ]
  },

  plugins: [
    new webpack.LoaderOptionsPlugin({
      test: /\.js$/,
      options: {
        eslint: {
          configFile: resolve(__dirname, '.eslintrc'),
          cache: false,
          fix: true,
        }
      },
    }),
    new webpack.optimize.ModuleConcatenationPlugin(),
    new ExtractTextPlugin({ filename: './styles/style.css', disable: false, allChunks: true }),
    new CopyWebpackPlugin([{ from: 'vendors', to: 'vendors' }]),
    new OpenBrowserPlugin({ url: 'http://localhost:8080' }),
/*
	  new PrettierPlugin({
	    printWidth: 120,               // Specify the length of line that the printer will wrap on.
	    tabWidth: 2,                  // Specify the number of spaces per indentation-level.
	    useTabs: true,               // Indent lines with tabs instead of spaces.
	    semi: true,                   // Print semicolons at the ends of statements.
	    encoding: 'utf-8',            // Which encoding scheme to use on files
	    extensions: [ ".js", ".ts" ]  // Which file extensions to process
	  }),
*/
    new webpack.HotModuleReplacementPlugin(),
  ],
};

module.exports = config;